Compare Constellations

Information: The first column shows data points from Petersen, William, 1887-1950. in red. The third column shows data points from Petersen, William F. (William Ferdinand), 1887-1950 in blue. Any data they share in common is displayed as purple boxes in the middle "Shared" column.

Name Entries

Petersen, William, 1887-1950.

Shared

Petersen, William F. (William Ferdinand), 1887-1950